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A certain species of fish can have either long or short fins. The allele for long fins is dominant over the allele for short fins. A heterozygous, long-finned fish is crossed with a homozygous, short-finned fish. Of the offspring, will have long fins and be , and will have short fins and be

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wiseowl2018

Answer:

The offspring of long fins will be heterozygous dominant and of short fins will be homozygous recessive.

Explanation:

  • Heterozygous long finned fish will have a genotype of Ll.
  • Homozygous short finned fish will have a genotype of ll.
  • The possible genotypes of their offsprings will be:
  • Ll × ll
  • Ll, Ll, ll, ll.
  • The probability of short-finned fish will be 1/2 and the probability of long finned fish will also 1/2.
  • So the short-finned offspring will be homozygous recessive and long finned will be heterozygous dominant.

Answer:

A certain species of fish can have either long or short fins. The allele for long fins is dominant over the allele for short fins. A heterozygous, long-finned fish is crossed with a homozygous, short-finned fish. Of the offspring, 50% will have long fins and be heterozygous , and 50% will have short fins and be homozygous.

Explanation: It's correct on Plato

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